White blood cells (also called leukocytes) are part of the immune system, and they are the cells that protect your body against infections by bacteria, viruses, fungi, and parasites. The microorganisms that cause diseases are literally everywhere, but most people do not get sick because they have ample numbers of white blood cells providing protection. Low white blood cell count is also known as leukopenia. Low white blood cell count often means there is a problem in the body, so it is not considered normal. Each has their own specialized purposes and different life spans. Does hydroxychloroquine cause weight loss Plaquenil kidneys Low-dose hydroxychloroquine role in porphyria Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Dugan on plaquenil and low wbc This drug can effect the bone marrow and make the white blood count and platelets low. Your doctor may want to stop this medication, but don't stop it till you talk to the doctor. A white blood cell count of less than 4,000 cells per microliter of blood is considered low. Sometimes a low white blood cell count is something you are born with a genetic condition, which may or may not be a cause for concern. A low white blood cell count is associated with certain conditions, including Cancer caused by chemotherapy. This means many people taking Plaquenil for RA are taking a dose of 400mg a day or higher. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Our body produces millions of different white blood cells continuously that replace worn out or dead ones. There are monocytes (morphs into other white blood cells), lymphocytes (releases antibodies, regulates immunity, and kills infected human cells), basophils (initiates inflammatory reactions), eosinophils (kills parasites and triggers allergic reactions), and neutrophils (main killers of bacteria and fungi). Can hydroxychloroquine cause low white blood cell count Low White Blood Cell Count - Symptoms and Diagnosis, Low White Blood Cell Count Possible Causes Cleveland Clinic Abcc1 transporter chloroquinePictures of skin rash from plaquenilPlaquenil lyme dosageChloroquine phosphate vs cupraminePlaquenil-for-malaria-treatment-to-managing-lupus-ra Continued Follow-up Tests. If there's no clear reason for a low white blood cell count, your doctor will probably want to do the test again, or do a differential or "diff" along with the CBC. Low White Blood Cell Count 6 Possible Causes for a Low WBC. Long-Term Side Effects of Plaquenil for Rheumatoid.. Symptoms of a Low White Blood Count Healthfully. Aug 14, 2017 Blood Disorders. According to the New Zealand Dermatological Society, Plaquenil can cause abnormalities in blood counts. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Low platelet count thrombocytopenia can lead to easy bleeding and bruising. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells. Rare but potentially serious eye toxicity can occur. This toxicity affects a part of the eye called the retina and can lead to color blindness and even loss of vision. An.